<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
    <head>
        <meta charset="UTF-8">
        <title>error</title>
    </head>
    <body>
        <h1>error</h1>
        <fieldset style="border: 1px solid darkslategrey">
            <legend>testArithmeticException</legend>
            <p th:text="${ex}"></p>
        </fieldset>
    </body>
</html>